<template>
  <el-container class="bg-white rounded" :style="{ height: (h + 'px') }">
    <el-header class="image-header">
      <el-button type="primary" size="small" @click="handleOpenCreate">新增图片分类</el-button>
      <el-button type="warning" size="small" @click="handleOpenUpload">上传图片</el-button>
    </el-header>
    <el-container>
      <ImageAside ref="ImageAsideRef" @change="handleAsideChange"/>
      <ImageMain ref="ImageMainRef"/>
    </el-container>
  </el-container>
</template>
<script setup>
import { ref } from "vue";
import ImageAside from "@/components/ImageAside.vue"
import ImageMain from "@/components/ImageMain.vue"

const windowHeight = window.innerHeight || document.body.clientHeight
const h = windowHeight - 64 - 44 - 40

const ImageAsideRef = ref(null)
const handleOpenCreate = ()=>ImageAsideRef.value.handleCreate()
// ImageAside.vue 暴露一个change的方法，将image_class_id给list.vue（子传父）
// loadData 是 ImageMain.vue 提供接受的（父传子）
const ImageMainRef = ref(null)
const handleAsideChange = (mid)=> ImageMainRef.value.loadData(mid)

const handleOpenUpload= ()=> ImageMainRef.value.openUploadFile()

</script>
<style>
.image-header{
border-bottom: 1px solid #eeeeee;
@apply flex items-center;
}
</style>